Solid-liquid separation device for concentrated waste liquid

Abstract

The utility model relates to the field of concentrated waste liquid treatment, in particular to a concentrated waste liquid solid-liquid separation device which comprises a box body and an adjusting motor, the adjusting motor is installed on the upper end face of the box body, an adjusting rod is installed at the output end of the adjusting motor, fixing grooves are symmetrically installed on the left side wall and the right side wall of the adjusting rod, and spring rods are installed at the bottoms in the fixing grooves. A plurality of stirring rods are mounted on the outer side wall of the annular sleeve in the circumferential direction of the annular sleeve; a first filter screen is arranged below the annular sleeve; a water inlet is formed in the upper end face of the box body; water outlets are formed in the bottom of the box body in a bilateral symmetry manner; the structure of the annular sleeve and the spring rod is adopted, so that the stirring rod can shake up and down while rotating, the mixing effect of demulsification and concentrated waste liquid is further improved, the precipitation effect of the demulsification and concentrated waste liquid is ensured, and subsequent solid-liquid separation treatment is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of concentrated waste liquid treatment, in particular to a concentrated waste liquid solid-liquid separation device. BACKGROUND

[0002] The rubbing waste liquid produced in the production process of banknote intaglio printing contains a large amount of alkali, surfactant and ink and the like. According to statistics, there are several hundred thousand tons of rubbing waste liquid produced in China every year. At present, the printing enterprises generally recycle about 80% of the filtered clear liquid by using ultrafiltration process, and the remaining 20% of the concentrated waste liquid contains a large amount of ink and the like, which needs to be treated at the end of industrial wastewater.

[0003] A banknote rubbing concentrated waste liquid solid-liquid separation device (authorized publication number CN203021382U) is disclosed in a Chinese patent, which can solve the problems of: the mud residue separated by neutralization and sedimentation has high viscosity, poor dewatering property and is easy to block the pipeline; the high-speed centrifuge has high investment, high noise and poor working environment; it is difficult to improve the automation degree of the existing mud-water separation process and the labor intensity is high.

[0004] The stirring mode of the patent for demulsification and concentrated waste liquid is too single, which makes it easy to stir unevenly, resulting in unsatisfactory mixing effect. In addition, the single-layer filter screen structure leads to unsatisfactory solid-liquid separation effect and inconvenient cleaning of the filter screen. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a concentrated waste liquid solid-liquid separation device, which comprises a box body and an adjusting motor, the upper end face of the box body is provided with the adjusting motor, the output end of the adjusting motor is provided with an adjusting rod, the left and right side walls of the adjusting rod are symmetrically provided with fixed grooves, the inner bottom of the fixed groove is provided with a spring rod, the upper end face of the spring rod is provided with a first sliding block, the outer side end of the first sliding block is provided with an annular sleeve, a plurality of stirring rods are arranged on the outer side wall of the annular sleeve along the circumferential direction thereof, a first filter screen is arranged below the annular sleeve, a water inlet is arranged on the upper end face of the box body, water outlets are symmetrically arranged on the bottom of the box body, a second filter screen is arranged on the inner side end of the water outlet, and the pore size of the second filter screen is smaller than that of the first filter screen.

[0006] Preferably, a plurality of first through holes are formed in the outer side wall of the box body along the circumferential direction thereof, a first plug is connected in the first through hole, a first sealing plate is arranged on the outer side wall of the first plug, a second through hole is arranged below the first through hole, a second plug is connected in the second through hole, and a second sealing plate is arranged on the outer side wall of the second plug.

[0007] Preferably, a right cavity is arranged at the right end of the outer wall of the box body, a regulating lead screw is rotatably arranged at the bottom of the right cavity through a bearing, a regulating sliding block is arranged at the outer wall of the regulating lead screw, an outer ring plate is arranged at the right end surface of the regulating sliding block through a connecting frame, a left cavity is arranged at the left end of the outer wall of the box body, and the left end of the left cavity is connected to the upper end surface of the outer ring plate in a sliding fit mode.

[0008] Preferably, an upper seat is arranged at the upper end surface of the right cavity, a plug rod is arranged at the right end surface of the upper seat in a sliding fit mode, the plug rod is inserted into the outer wall of the regulating lead screw, and a first bolt is rotatably arranged at the outer wall of the plug rod through a thread.

[0009] The technical effects and advantages of the present application are as follows:

[0010] 1. The annular sleeve and spring rod structure are adopted in the present application, so that the stirring rod can rotate and shake up and down at the same time, the effect of mixing the broken emulsion and the concentrated waste liquid is further improved, the sedimentation effect is ensured, and the solid-liquid separation treatment is facilitated.

[0011] 2. The first and second through holes are adopted in the present application, so that the sediment on the filter screen can be collected and treated without disassembling and cleaning the filter screen, and the cleaning difficulty is reduced. DRAWINGS

[0012] Fig. 1 is a main view of a device structure for solid-liquid separation of concentrated waste liquid provided by the present application;

[0013] Fig. 2 is a main view of a device structure for solid-liquid separation of concentrated waste liquid provided by the present application;

[0014] Fig. 3 is a left view of a device structure for solid-liquid separation of concentrated waste liquid provided by the present application;

[0015] Fig. 4 is a top view of a device structure for solid-liquid separation of concentrated waste liquid provided by the present application;

[0016] Fig. 5 is a device structure for solid-liquid separation of concentrated waste liquid provided by the present application; Fig. 2 is a local enlarged view of area A in the device structure for solid-liquid separation of concentrated waste liquid;

[0017] In the figure: 1, box body; 2, regulating motor; 11, regulating rod; 12, spring rod; 13, annular sleeve; 14, stirring rod; 15, first filter screen; 16, water outlet; 17, second filter screen; 18, first plug; 19, second plug; 21, regulating lead screw; 22, outer ring plate; 23, left cavity; 24, plug rod; 25, first bolt. DETAILED DESCRIPTION

[0018] The embodiments of the present application are presented by way of example and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications for specific use cases.

[0019] Please refer to Figs. 1-5 In the embodiment, a device for solid-liquid separation of concentrated waste liquid is provided, comprising a box body 1 and an adjusting motor 2, the adjusting motor 2 is installed on the upper end face of the box body 1, an adjusting rod 11 is installed on the output end of the adjusting motor 2, a fixed groove is symmetrically installed on the left and right side walls of the adjusting rod 11, a spring rod 12 is installed on the bottom of the fixed groove, a first sliding block is installed on the upper end face of the spring rod 12, an annular sleeve 13 is installed on the outer side end of the first sliding block, a plurality of stirring rods 14 are installed on the outer side wall of the annular sleeve 13 along the circumferential direction thereof, a first filter screen 15 is arranged below the annular sleeve 13, a water inlet is installed on the upper end face of the box body 1, water outlets 16 are symmetrically installed on the bottom of the box body 1, a second filter screen 17 is installed on the inner side end of the water outlet 16, the pore diameter of the second filter screen 17 is smaller than that of the first filter screen 15, a valve is installed on the outer side wall of the water outlet 16, during operation, the concentrated waste liquid enters the box body 1 through the water inlet, then the demulsification is added to carry out the precipitation treatment, the adjusting motor 2 is started to drive the adjusting rod 11 to rotate, so that the stirring rod 14 rotates to stir the concentrated waste liquid, the spring rod 12 drives the stirring rod 14 to vibrate up and down, which further improves the mixing and stirring effect, the precipitate remains on the upper end face of the first filter screen 15, the valve is opened, and the waste liquid is discharged through the water outlet 16, so as to achieve the purpose of solid-liquid separation, which is convenient for post-treatment, the second filter screen 17 can carry out secondary filtration treatment on the waste liquid, avoiding the blockage of the water outlet 16 by the filter residue.

[0020] A plurality of first through holes are formed on the outer side wall of the box body 1 along the circumferential direction thereof, a first plug 18 is clamped in the first through hole, a first sealing plate is installed on the outer side wall of the first plug 18, a second through hole is arranged below the first through hole, a second plug 19 is clamped in the second through hole, and a second sealing plate is installed on the outer side wall of the second plug 19, during operation, the first sealing plate and the second sealing plate seal the outer side wall of the box body 1 to prevent leakage, the first plug 18 and the second plug 19 are opened, the upper end faces of the first filter screen 15 and the second filter screen 17 are washed by adding clean water, and the precipitate is discharged through the first through hole and the second through hole, which is convenient for cleaning the filter screen without taking out the filter screen, and the operation is convenient.

[0021] The right cavity is installed on the right end of the outer side wall of the box 1, an adjusting lead screw 21 is rotatably installed on the bottom of the right cavity through a bearing, an adjusting sliding block is installed on the outer side wall of the adjusting lead screw 21, an outer ring plate 22 is installed on the right end surface of the adjusting sliding block through a connecting frame, a left cavity 23 is installed on the left end of the outer side wall of the box 1, and the inner side end of the left cavity 23 is connected with the upper end surface of the outer ring plate 22 in a sliding fit mode. During work, the outer ring plate 22 limits the first plug head 18 and the second plug head 19, so that the first plug head 18 and the second plug head 19 are prevented from being opened by waste liquid. The adjusting lead screw 21 is rotated to drive the outer ring plate 22 to move upwards, so that the first plug head 18 and the second plug head 19 are conveniently opened and processed. The left cavity 23 supports the left side of the outer ring plate 22, so that the stability of the upward and downward movement of the outer ring plate 22 is ensured.

[0022] An upper seat is installed on the upper end surface of the right cavity, a plug rod 24 is installed on the right side end surface of the upper seat in a sliding fit mode, the plug rod 24 is inserted into the outer side wall of the adjusting lead screw 21, and a first bolt 25 is rotatably installed on the outer side wall of the plug rod 24 in a threaded mode. During work, the plug rod 24 limits and fixes the adjusting lead screw 21, so that the adjusting lead screw 21 is prevented from relatively rotating. The first bolt 25 limits the plug rod 24, so that the stability of the device is further improved.

[0023] Specifically, the concentrated waste liquid enters into the box 1 through the water inlet, and then the waste liquid is subjected to precipitation treatment by adding a demulsifier. The adjusting motor 2 is started to drive the adjusting rod 11 to rotate, so that the stirring rod 14 is rotated to stir the concentrated waste liquid. The spring rod 12 drives the stirring rod 14 to vibrate upwards and downwards, so that the mixing and stirring effect is further improved. The precipitate is left on the upper end surface of the first filter screen 15. The valve is opened, the waste liquid is discharged through the water outlet 16, so that the purpose of solid-liquid separation is achieved, and the waste liquid is conveniently processed in the later period. The second filter screen 17 can perform secondary filtration treatment on the waste liquid, so that the filter residue is prevented from blocking the water outlet 16.

[0024] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A device for solid-liquid separation of concentrated waste liquid, comprising a housing (1) and a regulating motor (2), characterized in that, An adjusting motor (2) is installed on the upper end of the box (1). An adjusting rod (11) is installed at the output end of the adjusting motor (2). Fixing grooves are symmetrically installed on the left and right side walls of the adjusting rod (11). A spring rod (12) is installed at the bottom of the fixing groove. A first slider is installed on the upper end of the spring rod (12). An annular sleeve (13) is installed on the outer end of the first slider. Multiple stirring rods (14) are installed on the outer side wall of the annular sleeve (13) along its circumferential direction. A first filter screen (15) is arranged below the annular sleeve (13).

2. The apparatus for solid-liquid separation of concentrated waste liquid according to claim 1, characterized in that... The upper end face of the box (1) is equipped with a water inlet, and the bottom of the box (1) is symmetrically equipped with water outlets (16).

3. The apparatus for solid-liquid separation of concentrated waste liquid according to claim 2, characterized in that, A second filter screen (17) is installed on the inner end of the outlet (16), and the aperture of the second filter screen (17) is smaller than that of the first filter screen (15).

4. The apparatus for solid-liquid separation of concentrated waste liquid according to claim 1, characterized in that, The outer wall of the box (1) is provided with a plurality of first openings along its circumferential direction. A first plug (18) is engaged in the first opening, and a first sealing plate is installed on the outer wall of the first plug (18).

5. The apparatus for solid-liquid separation of concentrated waste liquid according to claim 4, characterized in that, A second opening is arranged below the first opening, and a second plug (19) is engaged inside the second opening. A second sealing plate is installed on the outer wall of the second plug (19).

6. The apparatus for solid-liquid separation of concentrated waste liquid according to claim 1, characterized in that, A right cavity is installed on the right end of the outer wall of the box (1). An adjusting screw (21) is rotatably installed at the bottom of the right cavity through a bearing. An adjusting slider is installed on the outer wall of the adjusting screw (21). An outer ring plate (22) is installed on the right end face of the adjusting slider through a connecting frame. A left cavity (23) is installed on the left end of the outer wall of the box (1). The inner end of the left cavity (23) is connected to the upper end face of the outer ring plate (22) by a sliding fit.

7. The apparatus for solid-liquid separation of concentrated waste liquid according to claim 6, characterized in that, An upper seat is installed on the upper end face of the right cavity. A plug rod (24) is installed on the right end face of the upper seat through a sliding fit. The other end of the plug rod (24) is inserted into the outer wall of the adjusting screw (21). A first bolt (25) is installed on the outer wall of the plug rod (24) through a threaded rotation.

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